Panels

OnGuard 7.5  Encryption for Controllers User Guide  does not contain steps or correct names for TLS certificates to install. Procedure Steps   Configure TLS Encryption Using a Default Certificate Prerequisites   1. Establish unencrypted communic...

Symptom  LNL-1320 Series 3 board is not coming online, while the LNL-1320 Series 2 board connects instantly when swapped.  Resolution  Remove all terminations from downstream devices up to the access panel.  Applies To  All versions of OnGuard ...

Notice for users regarding powering readers from the LNL-X4420, LNL-X2220, and the Series 3 MR52. The Reader Power Select option on the LNL-X4420, LNL-X2220, and Series 3 boards has changed. Procedure Steps  When 12 VDC is applied to power the boa...

How to collect an LNL-4420 crash dump If problems occur when rebooting LNL-4420 panels or there are other instability issues with these panels, and you escalate the issue to Mercury, they may ask for a crash dump. This article addresses how to...

Product Name LNL-3300-M5 and LNL-4420 Wireless Lock Compatibility  General Information The LNL-3300-M5 does support the Assa Abloy Aperio and Schlage wireless lock solutions. The Aperio hubs or Schlage gateways need to be wired to port ...

Symptom:  Unable to access web configuration page for LNL-3300, LNL-2220 and LNL-2210 Cause:  Legacy panels use TLS 1.0 which is no longer supported by most browsers. Note on Google Chrome: TLS 1.0 and 1.1 were deprecated in Chrome 72 ...

Symptom Alarms from EST3 panels are not shown in OnGuard for all double-byte languages (for example, Russian, Chinese, Japanese, Korean, Arabic, etc.). Alarm Monitoring shows junk characters in the alarms received from EST3 panels, instead of showi...

Question How do I log out of the Guardall PX/QX/RX LCD Keypad? Answer To log out of the LCD Keypad, press the X key followed by the "confirm" or check mark key. Applies To Guardall PX/QX/RX Control Panels  Additional Information None...

Symptom A newly added access panel does not come online in Alarm Monitoring.  The panel and all its added child devices display a red X in the System Status Tree. The LenelError.Log displays the following error message: TIME:      [08/24/2...